Stretchable yarn interwoven with silicone threads designed for ultracomfort with no buckles or clasps. footnote ¹ Apple Watch Ultra two shouldn't be utilized for diving down below forty meters. Drinking water resistance is just not a lasting affliction and can diminish with time. For extra facts see guidance.apple.com/HT205000. But when https://allhealthmarket.com/product/aeahmarket/appleband/silicone-strap-for-apple-watch/strap-for-apple-watch-38-40-41-42-44-45-49mm-band-replacement-silicone-wristband-for-iwatch-8-7-6-5-4-3-2-1-se-ultra/